What is the Greatest Common Factor of 31065 and 31085?

Greatest common factor (GCF) of 31065 and 31085 is 5.

GCF(31065,31085) = 5

We will now calculate the prime factors of 31065 and 31085, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31065 and 31085.

How to find the GCF of 31065 and 31085?

We will first find the prime factorization of 31065 and 31085. After we will calculate the factors of 31065 and 31085 and find the biggest common factor number .

Step-1: Prime Factorization of 31065

Prime factors of 31065 are 3, 5, 19, 109. Prime factorization of 31065 in exponential form is:

31065 = 3¹ × 5¹ × 19¹ × 109¹

Step-2: Prime Factorization of 31085

Prime factors of 31085 are 5, 6217. Prime factorization of 31085 in exponential form is:

31085 = 5¹ × 6217¹

Step-3: Factors of 31065

List of positive integer factors of 31065 that divides 31065 without a remainder.

1, 3, 5, 15, 19, 57, 95, 109, 285, 327, 545, 1635, 2071, 6213, 10355

Step-4: Factors of 31085

List of positive integer factors of 31085 that divides 31065 without a remainder.

1, 5, 6217

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31065 and 31085. The biggest common factor number is the GCF number.
So the greatest common factor 31065 and 31085 is 5.

Also check out the Least Common Multiple of 31065 and 31085